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9898126596
Showing 'u' in the pv_attr reporting field is mostly unnecessary because most PVs are allocatable, and being allocatable implies it is (u)sed, and this is already obvious from other fields in the default 'pvs' output like the VG name. So move the new (u)sed pv_attr from character position 4 to 1, and only show it in those rare cases when the PV is not (a)llocatable or the relevant metadata is missing. (Scripts should not be using pv_attr, but rather pv_allocatable, pv_exported, pv_missing, pv_in_use etc.)
136 lines
4.7 KiB
Groff
136 lines
4.7 KiB
Groff
.TH PVS 8 "LVM TOOLS #VERSION#" "Sistina Software UK" \" -*- nroff -*-
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.SH NAME
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pvs \(em report information about physical volumes
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.SH SYNOPSIS
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.B pvs
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.RB [ \-a | \-\-all ]
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.RB [ \-\-aligned ]
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.RB [ \-\-binary ]
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.RB [ \-\-commandprofile
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.IR ProfileName ]
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.RB [ \-d | \-\-debug ]
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.RB [ \-h | \-? | \-\-help ]
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.RB [ \-\-ignorelockingfailure ]
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.RB [ \-\-ignoreskippedcluster ]
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.RB [ \-\-nameprefixes ]
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.RB [ \-\-noheadings ]
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.RB [ \-\-nosuffix ]
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.RB [ \-o | \-\-options
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.RI [ + | \- | # ] Field [ ,Field ...]]
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.RB [ \-O | \-\-sort
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.RI [ + | \- ] Key1 [ , [ + | \- ] Key2 ...]]
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.RB [ \-P | \-\-partial ]
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.RB [ \-\-rows ]
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.RB [ \-\-segments ]
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.RB [ \-S | \-\-select
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.IR Selection ]
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.RB [ \-\-separator
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.IR Separator ]
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.RB [ \-\-unbuffered ]
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.RB [ \-\-units
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.IR hHbBsSkKmMgGtTpPeE ]
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.RB [ \-\-unquoted ]
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.RB [ \-v|\-\-verbose ]
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.RB [ \-\-version]
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.RI [ PhysicalVolume
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.RI [ PhysicalVolume ...]]
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.SH DESCRIPTION
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pvs produces formatted output about physical volumes.
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.SH OPTIONS
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See \fBlvm\fP(8) for common options.
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.TP
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.B \-\-all
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Include information in the output about devices that have not been
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initialized with \fBpvcreate\fP(8).
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.TP
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.B \-\-aligned
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Use with \fB\-\-separator\fP to align the output columns.
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.TP
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.B \-\-binary
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Use binary values "0" or "1" instead of descriptive literal values
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for columns that have exactly two valid values to report (not counting
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the "unknown" value which denotes that the value could not be determined).
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.TP
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.B \-\-nameprefixes
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Add an "LVM2_" prefix plus the field name to the output. Useful
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with \fB\-\-noheadings\fP to produce a list of field=value pairs that can
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be used to set environment variables (for example, in \fBudev\fP(7) rules).
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.TP
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.B \-\-noheadings
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Suppress the headings line that is normally the first line of output.
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Useful if grepping the output.
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.TP
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.B \-\-nosuffix
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Suppress the suffix on output sizes. Use with \fB\-\-units\fP
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(except h and H) if processing the output.
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.TP
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.BR \-o ", " \-\-options
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Comma-separated ordered list of columns.
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.IP
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Precede the list with '\fI+\fP' to append to the current list
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of columns, '\fI-\fP' to remove from the current list of columns
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or '\fI#\fP' to compact given columns. The \fI\-o\fP option can
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be repeated, providing several lists. These lists are evaluated
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from left to right.
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.IP
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Use \fB-o pv_all\fP to select all physical volume columns,
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and \fB-o pvseg_all\fP to select all Physical Volume segment columns.
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.IP
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Use \fB-o help\fP to view the full list of columns available.
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.IP
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Column names include: pv_fmt, pv_uuid, dev_size, pv_name, pv_mda_free,
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pv_mda_size, pv_ba_start, pv_ba_size, pe_start, pv_size, pv_free, pv_used,
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pv_attr, pv_pe_count, pv_pe_alloc_count, pv_tags, pv_mda_count,
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pv_mda_used_count, pvseg_start, and pvseg_size
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.IP
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With \fB\-\-segments\fP, any "pvseg_" prefixes are optional; otherwise any
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"pv_" prefixes are optional. Columns mentioned in \fBvgs\fP(8) can also
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be chosen. The pv_attr bits are: (a)llocatable, e(x)ported, (m)issing and
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(u)sed (but not allocatable).
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.TP
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.B \-\-segments
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Produces one line of output for each contiguous allocation of space on each
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Physical Volume, showing the start (pvseg_start) and length (pvseg_size) in
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units of physical extents.
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.TP
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.BR \-S ", " \-\-select " " \fISelection
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Display only rows that match Selection criteria. All rows are displayed with
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the additional "selected" column (\fB-o selected\fP) showing 1 if the row
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matches the Selection and 0 otherwise. The Selection criteria are defined
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by specifying column names and their valid values (that can include reserved
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values) while making use of supported comparison operators. See \fBlvm\fP(8)
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and \fB\-S\fP, \fB\-\-select\fP description for more detailed information
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about constructing the Selection criteria. As a quick help and to see full
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list of column names that can be used in Selection including the list of
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reserved values and the set of supported selection operators, check the
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output of \fBpvs -S help\fP command.
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.TP
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.BR \-O ", " \-\-sort
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Comma-separated ordered list of columns to sort by. Replaces the default
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selection. Precede any column with '\fI\-\fP' for a reverse sort on that
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column.
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.TP
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.B \-\-rows
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Output columns as rows.
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.TP
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.B \-\-separator \fISeparator
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String to use to separate each column. Useful if grepping the output.
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.TP
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.B \-\-unbuffered
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Produce output immediately without sorting or aligning the columns properly.
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.TP
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.B \-\-units \fIhHbBsSkKmMgGtTpPeE
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All sizes are output in these units: (h)uman-readable, (b)ytes, (s)ectors,
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(k)ilobytes, (m)egabytes, (g)igabytes, (t)erabytes, (p)etabytes, (e)xabytes.
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Capitalise to use multiples of 1000 (S.I.) instead of 1024. Can also specify
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custom units e.g. \-\-units 3M
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.TP
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.B \-\-unquoted
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When used with \fB\-\-nameprefixes\fP, output values in the field=value
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pairs are not quoted.
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.SH SEE ALSO
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.BR lvm (8),
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.BR pvdisplay (8),
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.BR lvs (8),
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.BR vgs (8)
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